WO2019074364A1 - Système pour disposer un ensemble turbine éolienne sur une structure de support - Google Patents

Système pour disposer un ensemble turbine éolienne sur une structure de support Download PDF

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Publication number
WO2019074364A1
WO2019074364A1 PCT/NL2018/050667 NL2018050667W WO2019074364A1 WO 2019074364 A1 WO2019074364 A1 WO 2019074364A1 NL 2018050667 W NL2018050667 W NL 2018050667W WO 2019074364 A1 WO2019074364 A1 WO 2019074364A1
Authority
WO
WIPO (PCT)
Prior art keywords
wind turbine
counter force
force device
crane
turbine assembly
Prior art date
Application number
PCT/NL2018/050667
Other languages
English (en)
Inventor
Maikel Hillenaar
Richard Petrus Gerhardus ZOONTJES
Jurgen Albertus DE JONG
Original Assignee
Heerema Marine Contractors Nederland Se
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heerema Marine Contractors Nederland Se filed Critical Heerema Marine Contractors Nederland Se
Priority to PL18812340.0T priority Critical patent/PL3695113T3/pl
Priority to EP18812340.0A priority patent/EP3695113B1/fr
Priority to US16/755,240 priority patent/US11572866B2/en
Priority to KR1020207013500A priority patent/KR102557130B1/ko
Priority to AU2018348547A priority patent/AU2018348547A1/en
Publication of WO2019074364A1 publication Critical patent/WO2019074364A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22—Foundations specially adapted for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
    • F05B2230/6102—Assembly methods using auxiliary equipment for lifting or holding carried on a floating platform
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a system for placing a wind turbine assembly on a support surface of a support structure being supported on a seabed.
  • the known systems are in general used with a lifting crane provided on a jack-up vessel.
  • the jack-up vessel is supported on the seabed during the installation of the wind turbine assembly on the support structure. This way, the jack-up vessel forms a stable basis for the crane lifting the wind turbine assembly, and relative movements between the wind turbine assembly and the support structure are limited.
  • Heave compensation systems are used to reduce or prevent vertical reciprocal movement of the wind turbine assembly suspending from the crane on a floating vessel, but these heave compensation systems are complex systems. BACKGROUND OF THE INVENTION
  • the invention is based on the insight that there is a need for a more simple system to place a wind turbine assembly on a support structure being supported on a seabed with a lifting crane provided on a floating vessel.
  • the invention has the objective to provide an improved system (or at least alternative system) for placing a wind turbine assembly on a support surface of a support structure being supported on a seabed with a lifting crane provided on a floating vessel.
  • This objective is reached with a system for placing a wind turbine assembly on a support surface of a support structure being supported on a seabed with a lifting crane provided on a floating vessel, said system comprising;
  • first coupling assembly configured to couple the first counter force device to the wind turbine assembly in order to carry the wind turbine assembly
  • the first counter force device is configured to allow a vertical first reciprocal movement between the crane and the wind turbine assembly and to control the first reciprocal movement by providing a first counteracting force F1 acting against the first reciprocal movement when the crane is moving away from the support structure,
  • the second counter force device is configured to allow a vertical second reciprocal movement of the wind turbine assembly relative to the support structure and to control the second reciprocal movement by providing a second counteracting force F2 acting against the second reciprocal movement when the crane is moving away from the support structure, and
  • the system is adjustable from;
  • the first counteracting force F1 is smaller than the second counteracting force F2 to in use compensate the vertical reciprocal crane movement of the crane relative to the support structure by the first reciprocal movement via the first counter force device and optionally also by the second reciprocal movement via the second counter force device, wherein the first reciprocal movement is larger than the second reciprocal movement.
  • the second reciprocal movement of the wind turbine assembly relative to the support structure can be reduced or eliminated. This allows that the wind turbine assembly can be pulled towards and onto the support structure by the pulling device without the risk (or a reduced risk) to damage the wind turbine assembly (including the wind turbine) and/or the support structure.
  • the wind turbine assembly comprises a wind turbine and optionally a mast.
  • the wind turbine may comprise (a part of) blades or may be free from (a part of) blades.
  • the wind turbine assembly comprises a wind turbine and a mast.
  • the first coupling assembly is configured to couple the first counter force device to the mast.
  • the second counter force device is attachable to the mast and/or the first coupling assembly.
  • the pulling device is configured to pull the mast towards and onto the support surface of the support structure.
  • the first counter force device and the second counter force device are configured to, in the second operation mode, create a second reciprocal movement which is between 0 and 0, 1 times the first reciprocal movement.
  • the first counter force device and the second counter force device are configured to, in the second operation mode, create a second reciprocal movement which is about 0 m, or 0 m.
  • the first counter force device and the second counter force device are configured to compensate the vertical reciprocal crane movement of the crane in the second operation mode only by the first reciprocal movement via the first counter force device.
  • the first counter force device and the second counter force device are configured to, in the first operation mode, create a first reciprocal movement which is between 0 and 0,1 times the second reciprocal movement.
  • the first counter force device and the second counter force device are configured to, in the first operation mode, create a first reciprocal movement which is about 0 meter, or 0 meter.
  • the first counter force device and the second counter force device are configured to compensate the vertical reciprocal crane movement of the crane in the first operation mode only by the second reciprocal movement via the second counter force device.
  • the second counter force device comprises a ratcheting unit configured to prevent that the wind turbine assembly moves back away from the support structure when the wind turbine assembly has moved towards the support structure during the second reciprocal movement.
  • the second counter force device and the ratcheting unit are integrated in a hydraulic apparatus comprising a hydraulic circuit having a hydraulic cylinder, a hydraulic fluid, and a pressure control device.
  • the hydraulic apparatus is configured to change from the first operation mode into the second operation mode, and vice versa, by adjusting a fluid pressure of the hydraulic fluid in the hydraulic cylinder.
  • the ratcheting unit comprises a non-return valve provided in the hydraulic circuit.
  • the pulling device is configured to pull the wind turbine assembly towards and onto the support structure via the second coupling assembly and not via the wind turbine assembly.
  • the pulling device is integrated in the hydraulic apparatus and the hydraulic cylinder forms part of the pulling device.
  • the second counter force device is configured to adjust its second counteracting force F2
  • the first counter force device is configured to apply a constant counteracting force F1.
  • the first counter force device comprises a non-adjustable fluid spring.
  • the second counter force device comprises an adjustable fluid spring.
  • the system comprises a guiding assembly to guide the wind turbine assembly along a vertical guiding trajectory during the vertical reciprocal crane movement, thereby limiting a horizontal wind turbine assembly movement of the wind turbine assembly.
  • the guiding assembly is configured to guide the mast of the wind turbine assembly along the vertical guiding trajectory during the vertical reciprocal crane movement.
  • the guiding assembly is attachable to the support structure in a guiding use position to position the guiding trajectory above the support surface.
  • a guiding length of the guiding trajectory is at least 1 , 1 times larger than a movement length of the vertical reciprocal crane movement of the crane.
  • a guiding length of the guiding trajectory is between 1 and 8 meter.
  • the second counter force device is attachable to the first coupling assembly and not to the wind turbine assembly in order to transfer the second counteracting force F2 to the crane via the first coupling assembly.
  • the first reciprocal movement and the second reciprocal movement are measured in the vertical direction.
  • the invention further relates to a floating vessel comprising a lifting crane and a system according to the invention attached to the crane.
  • the invention further relates to a method of placing a wind turbine assembly on a support surface of a support structure being supported on a seabed with a lifting crane provided on a floating vessel, said method comprising the steps of;
  • the wind turbine assembly comprises a wind turbine and optionally a mast.
  • the wind turbine may comprise (a part of) blades or may be free from (a part of) blades.
  • the wind turbine assembly comprises a wind turbine and a mast.
  • the first coupling assembly is used to couple the first counter force device to the mast.
  • the second counter force device is attached to the mast and/or the first coupling assembly.
  • the crane is used to position the mast at the starting distance above the support surface of the support structure.
  • the pulling device is used to pull the mast towards and onto the support surface of the support structure.
  • the first counter force device and the second counter force device are used to create in the second operation mode a second reciprocal movement which is between 0 and 0,1 times the first reciprocal movement.
  • the first counter force device and the second counter force device are used to create in the second operation mode a second reciprocal movement which is about 0 m, or 0 m.
  • the vertical reciprocal crane movement of the crane is in the second operation mode only compensated by the first reciprocal movement via the first counter force device.
  • the first counter force device and the second counter force device are used to create in the first operation mode a first reciprocal movement which is between 0 and 0, 1 times the second reciprocal movement. In an embodiment of the method, the first counter force device and the second counter force device are used to create in the first operation mode a first reciprocal movement which is about 0 meter, or 0 meter.
  • the vertical reciprocal crane movement of the crane is in the first operation mode only compensated by the second reciprocal movement via the second counter force device.
  • the ratcheting unit of the second counter force device in the second operation mode, is used to prevent that the wind turbine assembly moves back away from the support structure when the wind turbine assembly has moved towards the support structure during the second reciprocal movement.
  • the system is kept in the second operation mode for a specific time period to ensure that the wind turbine assembly is kept by the ratcheting unit at a most lower position above the support surface.
  • the pulling device after the pulling device has pulled the wind turbine assembly onto the support surface, the pulling device keeps applying a pulling force on the wind turbine assembly.
  • the crane is used to lower the first counter force device towards the support structure in order to create slack in the first coupling assembly.
  • the pulling device is used to temporary secure the wind turbine assembly against overturning after the first coupling assembly has been slacked.
  • the starting distance is measured when the wind turbine assembly is located at a most upper position of its vertical wind turbine assembly movement induced by the vertical reciprocal crane movement.
  • the starting distance and the movement length are measured in a vertical direction.
  • Figure 1 schematically shows a side view of a first embodiment of the system according to the invention attached to a lifting crane provided on a floating vessel,
  • FIGS. 2A-2D schematically show a first embodiment of the method according to invention using the system of figure 1 ,
  • FIGS. 3A-3E schematically show a second embodiment of the method according to invention using a second embodiment of the system according to the invention
  • Figure 4 schematically shows a side view of a third embodiment of the system according to the invention attached to a lifting crane provided on a floating vessel,
  • FIG 9 schematically shows the hydraulic apparatus used in the system of the figures 3 and 4,
  • Figure 10 schematically shows a side view of a fourth embodiment of the system according to the invention attached to a lifting crane provided on a floating vessel
  • Figures 11 A and 11 B schematically show side views of a fifth embodiment of the system according to the invention attached to a lifting crane provided on a floating vessel
  • Figures 12A and 12B schematically show side views of a sixth embodiment of the system according to the invention attached to a lifting crane provided on a floating vessel.
  • Figure 1 shows a side view of a first embodiment of the system 1 according to the invention attached to a lifting crane 7 provided on a floating vessel 8.
  • the system 1 is configured to place a wind turbine assembly 10 on a support surface 4 of a support structure 5 being supported on a seabed 6.
  • the support surface 4 of the support structure 5 is located below the water surface 23.
  • the wind turbine assembly 10 comprises a wind turbine 3 and a mast 2.
  • the wind turbine assembly 10 does not comprise a mast 2.
  • the wind turbine 3 comprise blades 13.
  • the wind turbine comprises part of blades 13 or the wind turbine 3 is free from (part of) blades 13.
  • the vessel 8 Since the vessel 8 is floating, it will be subjected to different kinds of movements (such as heave, pitch, and roll) which cause reciprocal crane movements of the crane 7 in a vertical direction 41 and in a horizontal direction 44. These movements can be divided in a vertical reciprocal crane movement 22 and a horizontal reciprocal crane movement 45.
  • the vertical crane movement length 21 is the distance of the vertical reciprocal crane movement 22 of the crane 7 measured in the vertical direction 41.
  • the system 1 comprises a first counter force device 9 which is attached to the crane 7, more specifically to a lifting cable 34 of the crane 7.
  • the first counter force device 9 is directly attached to the support frame 35 of the crane 7.
  • the first counter force device 9 is coupled to the wind turbine assembly 10 by a first coupling assembly 1 1.
  • the wind turbine assembly 2 is carried by the first counter force device 9 via the first coupling assembly 1 1.
  • a second counter force device 12 is attached to the first coupling assembly 1 1.
  • the second counter force device 12 is attached to the wind turbine assembly 10 or to both the wind turbine assembly 10 and the first coupling assembly 1 1.
  • the system 1 further comprises a second coupling assembly 14 configured to couple the second counter force device 12 to the support structure 5.
  • the second coupling assembly 14 is not yet coupled to the support structure 5.
  • a pulling device 15 is provided to pull the wind turbine assembly 10 towards and onto the support surface 4.
  • the pulling device 15 comprises two pulling winches 50 having a pulling cable 51 which can be coupled to pulling members 52 provided on the support structure 5.
  • the pulling device 15 is configured to couple the wind turbine assembly 10 to the support structure 5 in order to pull the wind turbine assembly 10 towards and onto the support structure 5.
  • the pulling device 15 is configured to couple the second counter force device 12 or the second coupling assembly 14 to the support structure 5.
  • the first counter force device 9 is configured to allow a vertical first reciprocal movement 18 between the crane 7 and the wind turbine assembly 10 and to control the first reciprocal movement 18 by providing a first counteracting force F1 acting against the first reciprocal movement 18 when the crane 7 is moving away from the support structure 5 (see fig. 2C).
  • the second counter force device 12 is configured to allow a vertical second reciprocal movement 19 of the wind turbine assembly 10 relative to the support structure 5 and to control the second reciprocal movement 19 by providing a second counteracting force F2 acting against the second reciprocal movement 19 when the crane 7 is moving away from the support structure 5 (see fig. 2B).
  • the system 1 is adjustable from a first operation mode 17 (see fig. 2B) into a second operation mode 20 (fig. 2B), and vice versa.
  • the first counteracting force F1 is larger than the second counteracting force F2 to in use compensate a vertical reciprocal crane movement 22 of the crane 7 relative to the support structure 5 by the second reciprocal movement 19 via the second counter force device 12 and optionally also by the first reciprocal movement 18 via the first counter force device 9, wherein the second reciprocal movement 19 is larger than the first reciprocal movement 18.
  • the first counteracting force F1 is smaller than the second counteracting force F2 to in use compensate the vertical reciprocal crane movement 22 of the crane 7 relative to the support structure 5 by the first reciprocal movement 18 via the first counter force device 9 and optionally also by the second reciprocal movement 19 via the second counter force device 12, wherein the first reciprocal movement 18 is larger than the second reciprocal movement 19.
  • the second reciprocal movement 19 of the wind turbine assembly 10 relative to the support structure 5 can be reduced or eliminated. This allows that the wind turbine assembly 10 can be pulled towards and onto the support structure 5 by the pulling device 15 without the risk (or a reduced risk) to damage the wind turbine assembly 10 and/or the support structure 5.
  • the second counter force device 12 is attached to the first coupling assembly 1 1 and not to the wind turbine assembly 10 in order to transfer the second counteracting force F2 to the first coupling assembly 11 and not to the wind turbine assembly 10.
  • the system 1 can be adjusted from the first operation mode 17 into the second operation mode 20 by changing the second counteracting force F2 of the second counter force device 12.
  • the first counteracting force F1 of the first counter force device 9 is not changed.
  • system 1 can be adjusted from the first operation mode 17 into the second operation mode 20 by changing the first counteracting force F1 of the first counter force device 9.
  • the second counteracting force F2 of the second counter force device 12 will not be changed.
  • system 1 can be adjusted from the first operation mode 17 into the second operation mode 20 by changing the first counteracting force F1 of the first counter force device 9 and the second counteracting force F2 of the second counter force device 12.
  • the first counter force device 9 is a non-adjustable counter force device.
  • the first counter force device 9 comprises a non-adjustable fluid spring 28 having a non-adjustable spring stiffness.
  • the first counter force device 9 comprises one non-adjustable fluid spring 28.
  • the first counter force device 9 may comprise multiple non-adjustable fluid springs 28.
  • the first counter force device 9 comprises one or more non-adjustable helical torsion springs or non- adjustable tension winches.
  • the second counter force device 12 is an adjustable counter force device. The second counter force device 12 can be adjusted from the first operation mode 17 into the second operation mode 20.
  • the second counter force device 12 comprise two adjustable fluid springs 27 having an adjustable spring stiffness.
  • the second counteracting force F2 is generated by the two adjustable fluid springs 27 together.
  • Each adjustable fluid spring 27 is provided with a fluid pump 26 and a control unit 36 configured to control the fluid pump 26 in order to change the spring stiffness.
  • the second counter force device 12 only comprises one adjustable fluid spring 27.
  • the second counter force device comprises one or more adjustable helical torsion springs or adjustable tension winches.
  • the pulling device 15 comprises two driven pulling winches 50 having pulling cables 51.
  • the pulling winches 50 are attached to the wind turbine assembly 10, more specifically the mast 2, and the pulling cables 51 can be coupled to pulling members 52 provided on the support structure 5.
  • the driven pulling winches 50 are configured to reel in the pulling cables 51 in order to pull the wind turbine assembly 10, more specifically the mast 2, towards and onto the support structure 5.
  • the figures 2A-2D show a first embodiment of the method according to the invention using the system 1 of figure 1.
  • Figure 2A shows the situation of figure 1.
  • Figure 2A differs from figure 1 in that the vessel 8 and the crane 7 to which the system 1 is attached are not shown. Also the seabed 6 which supports the support structure 5 is not shown. This applies in the same manner to the figures 2B-2D.
  • the crane 7 is used to position the wind turbine assembly 10 above the support surface 4 of the support structure 5.
  • the complete system 1 moves in vertical direction 41 along with the vertical reciprocal crane movement 22 of the crane 7. More specifically, the complete system 1 moves along with the part of the crane 7 to which the first counter force device 9 is connected.
  • the wind turbine assembly 10 is located at the most upper position of its vertical movements induced by the vertical reciprocal crane movement 22 of the crane 7. This means that the wind turbine assembly 10 will move downwards over a distance equal to the vertical crane movement length 21 of the vertical reciprocal crane movement 22 and will subsequently move upwards again to the shown situation. This cycle is continuously repeated.
  • the wind turbine assembly 0 is positioned at a starting distance 31 above the support surface 4 of the support structure 5.
  • the starting distance 31 is larger than the movement length 21 of the reciprocal crane movement 22 of the crane 7 in order to prevent collision of the wind turbine assembly 10, more specifically the mast 2, with the support surface.
  • the starting distance 31 is measured in a vertical direction 41.
  • the wind turbine assembly 10 is located at the most upper position of its vertical movements induced by the vertical reciprocal crane movement 22 of the crane 7.
  • the second counter force device 12 is coupled to the support structure 5 with the second coupling assembly 14.
  • the system 1 is in the first operation mode 17.
  • the second counteracting force F2 of the second counter force device 12 is very small when compared with the first counteracting force F1 of the first counter force device 9. This is caused by the fact that the combined spring stiffness of the adjustable fluid springs 27 of the second counter force device 12 is very small when compared with the spring stiffness of the non-adjustable spring 28 of the first counter force device 9.
  • the vertical reciprocal crane movement 22 of the crane 7 relative to the support structure 5 is therefore completely compensated by the second reciprocal movement 19 of the wind turbine assembly 10 relative to the support structure 5 via the second counter force device 12.
  • the first reciprocal movement 18 between the crane 7 and the wind turbine assembly 10 via the first counter force device 9 is about 0 meter.
  • the system 1 is in the second operation mode 20.
  • the control units 36 are used to increase the spring stiffness of the adjustable fluid springs 28 of the second counter force device 12.
  • the spring stiffness of the adjustable fluid springs 27 of the second counter force device 12 are now much larger than the spring stiffness of the non- adjustable fluid spring 28 of the first counter force device 9.
  • the second counteracting force F2 will therefore be much larger than the first counteracting force F1.
  • the vertical reciprocal crane movement 22 of the crane 7 relative to the support structure 5 is mainly compensated by the first reciprocal movement 18 via the first counter force device 9.
  • a much smaller part of the vertical reciprocal crane movement 22 is compensated by the second reciprocal movement 19 via the second counter force device 12.
  • the second reciprocal movement 19 is about 0, 1 times the first reciprocal movement 18.
  • FIG. 2D shows a second embodiment of the method according to invention. A second embodiment of the system 1 according to the invention is used.
  • This system 1 differs from the one shown in figure 1 in that the second counter force device 12 comprises a ratcheting unit 42 configured to prevent that the wind turbine assembly 10 moves back away from the support structure 5 when the wind turbine assembly 10 has moved towards the support structure 5 during the second reciprocal movement 19.
  • the second counter force device 12 comprises a ratcheting unit 42 configured to prevent that the wind turbine assembly 10 moves back away from the support structure 5 when the wind turbine assembly 10 has moved towards the support structure 5 during the second reciprocal movement 19.
  • the second counter force device 12 and the ratcheting unit 42 are integrated in a hydraulic apparatus 24.
  • the hydraulic apparatus 24 comprising two hydraulic circuits 16 having a hydraulic cylinder 25, a hydraulic fluid, and a pressure control device 32.
  • the hydraulic cylinders 25 comprise a cylinder barrel 38 in which a piston 39 connected to a piston rod 40 is provided.
  • the hydraulic apparatus 24 is configured to change from the first operation mode 17 into the second operation mode 20, and vice versa, by adjusting a fluid pressure of the hydraulic fluid in the hydraulic cylinders 25.
  • the pressure control device 32 controls said adjusting of the fluid pressure in the hydraulic cylinders 25.
  • the pressure control device 32 comprises a control unit 36, a first, second and third hydraulic accumulator 61-63 and four adjustable valves 46-49.
  • the hydraulic accumulators 61-63 and the adjustable valves 46-49 are connected to the hydraulic cylinder 25 by fluid ducts 59.
  • the adjustable valves 46-49 communicate with the control unit 36 via communication lines 60.
  • the control unit 36 has a wireless connection with a control room 37 located on the vessel 8 (similar as the one shown in figure 1 ).
  • the first and second hydraulic accumulator 61 , 62 and the first, second, and third adjustable valve 46-48 function as part of the second counter force device 12.
  • a first and second non-return valve 71 , 72 are provided at different locations in the fluid ducts 59 to function as part of the ratcheting unit 42.
  • the pulling device 15 is also integrated in the hydraulic apparatus 24 and makes use of the hydraulic cylinders 25.
  • the third hydraulic accumulator 63 and the fourth adjustable valve 49 function as part of the pulling device 15.
  • the pressure control device 32 comprises other means to increase the pressure of the hydraulic fluid in the hydraulic cylinder 25, such as pumps or medium separators.
  • the hydraulic apparatus 24 comprises only one hydraulic circuit 16 which may have one or more hydraulic cylinders 25.
  • the pulling device 15 is not integrated in the hydraulic apparatus 24 and comprises one or more pulling winches (e.g. as shown in the first embodiment).
  • the second counter force device 2 comprises a variable tension winch and the pulling device 15 is formed by a winch drive to actively rotate said tension winch.
  • the ratcheting unit 42 is configured to prevent that the tension winch is rotated back beyond the point that the winch drive has rotated said winch.
  • the first counteracting force F1 of the first counter force device 9 and the second counteracting force F2 of the second counter force device 12 ensure in the first operation mode 17 that the first reciprocal movement 18 is about 0 meter.
  • the counteracting force F1 of the first counter force device 9 and the second counteracting force F2 of the second counter force device 12 ensure that the second reciprocal movement 19 is about 0 meter.
  • the crane 7 is used to position the wind turbine assembly 10 above the support surface 4 of the support structure 5.
  • the complete system 1 moves along with the vertical reciprocal crane movement 22 of the crane 7.
  • the wind turbine assembly 10 is located at the most upper position of its movement induced by the vertical reciprocal crane movement 22 of the crane 7.
  • the four adjustable valves 46-49 are closed.
  • the hydraulic fluid in the hydraulic cylinders 25 is not under pressure.
  • the wind turbine assembly 10 is positioned at a starting distance 31 above the support surface 4.
  • the starting distance 31 is larger than the vertical crane movement length 21 of the vertical reciprocal crane movement 22 of the crane 7.
  • the starting distance 31 is measured in a vertical direction 41.
  • the wind turbine assembly 10 is located at the most upper position of its movement induced by the vertical reciprocal crane movement 22 of the crane 7.
  • the system 1 is in the first operation mode 7.
  • the second counter force device 12 is coupled to the support structure 5 with the second coupling assembly 14.
  • the vertical reciprocal crane movement 22 of the crane 7 is compensated by the second reciprocal movement 19 of the wind turbine assembly 10 relative to the support structure 5 via the second counter force device 12.
  • the second counter force device 12 provides a relatively small second counteracting force F2 which is negligible when compared with the first counteracting force F1 of the first counter force device 9.
  • the first reciprocal movement 18 between the crane 7 and the wind turbine assembly 10 via the first counter force device 9 is about 0 meter.
  • the second adjustable valve 47 will be open, and the other adjustable valves 46, 48, 49 are closed. This allows the relatively low pressure from the second hydraulic accumulator 62 to apply the relatively small second counteracting force F2.
  • the piston 39 is allowed to move up and down in barrel 38 with relatively little resistance.
  • the system is set in the second operation 20 mode by increasing the fluid pressure of the hydraulic fluid in the hydraulic cylinders 25.
  • the second counteracting force F2 of the second counter force device 12 is increased such that the vertical reciprocal crane movement 22 of the crane 7 relative to the support structure 5 is compensated by the first reciprocal movement 18 via the first counter force device 9.
  • the second reciprocal crane movement 19 is about 0 meter.
  • first and third adjustable valves 46, 48 are opened, the second adjustable valve 47 is closed and the fourth adjustable valve 49 remains closed.
  • the opening of the first and third adjustable valve 46, 48 allows the hydraulic fluid of the first and second accumulator 61 , 62 to increase the pressure in the hydraulic circuit in the hydraulic cylinder.
  • the pressure of the first accumulator 61 is very high when compared with the relatively low pressure in the second accumulator 62.
  • the hydraulic fluid with high pressure reaches the hydraulic cylinder 25 below the piston 39 and at the side of the piston rod 40. This will result in an increased second counteracting force F2.
  • the first non-return valve 71 of the ratcheting unit 42 allows that the piston 39 is able to move upwards in the hydraulic cylinder 25 as the wind turbine assembly 10 moves downwards towards the support structure 5.
  • the first non-return valve 71 prevents that the piston 39 can move downwards again, thereby preventing that the wind turbine assembly 10 moves back upwards and away from support structure 5. This way the wind turbine assembly 10 is kept at its most lower position relative to the support structure 5.
  • the vertical reciprocal crane movement 22 will in practice vary at a certain extent.
  • the first and second reciprocal movement 18, 19 that would be induced by the vertical reciprocal crane movement 22 will also vary.
  • the system 1 is therefore kept in the second operation mode 20 for a specific time period to ensure that the wind turbine assembly 10 is held by the ratcheting unit 42 at a most lower position above the support surface 4 within said variety.
  • the second reciprocal movement 19 of the wind turbine assembly 10 relative to the support structure 5 will at the end of the time period be about 0 meter at the most lower position above the support surface 4 of the support structure 5.
  • the pulling device 15 has been used to pull the wind turbine assembly 10 towards and onto the support structure 5.
  • the pulling device 15 is configured to pull the wind turbine assembly 10 towards and onto the support structure 5 via the second coupling assembly 12 and not via the wind turbine assembly 10. This way it is prevented that the pulling forces are acting directly on the wind turbine assembly 10.
  • the pulling device 15 has pulled the wind turbine assembly 10 from the most lower position above the support surface 4 as shown in figure 3C onto the support structure 5.
  • the first and third adjustable valves 46, 48 remain open and the second adjustable valve 47 remains closed.
  • the fourth adjustable valve 49 is gradually opened. This regulates a flow of the hydraulic fluid from the third hydraulic accumulator 63 which will further increasing the pressure of the hydraulic fluid in the hydraulic cylinder 25 and provide an additional pulling force Fp.
  • the second non-return valve 72 is providing an additional ratcheting function to ensure that the wind turbine assembly 10 will not move back away from the support structure 5 during this pulling operation of the wind turbine assembly 10 onto the support structure 5.
  • the pulling device 15 After the pulling device 15 has pulled the wind turbine assembly 10 onto the support surface 4, the pulling device 15 keeps applying its pulling force Fp on the wind turbine assembly 10. This way, the wind turbine assembly 10 is positioned on the support structure 5 in a stable manner.
  • the second counter force device 12 also keeps applying the second counteracting force F2 on the wind turbine assembly 10.
  • the second counter force device 12 and the pulling device 15 are not integrated
  • the wind turbine assembly 10 is supported by the support structure 5 and the crane 7 is used to lower the first counter force device 9 towards the support structure 5 in order to create slack in the first coupling assembly 11.
  • the pulling device 15 keeps applying its pulling force Fp on the wind turbine assembly 10 in order to temporary secure the wind turbine assembly 10 against overturning after the first coupling assembly 11 has been slacked.
  • the pulling force Fp of the pulling device 15 can be removed and also the second counteracting force F2 of the second counter force device 12 can be removed in a safe manner.
  • the slack created by the lowering of the crane 7 allows that the first counter force device 9 moves along with the vertical reciprocal crane movement 22 of the crane 7 while the wind turbine assembly 10 remains positioned on the support structure 5.
  • the first coupling assembly 11 can be decoupled from the wind turbine assembly 10 and the second coupling assembly 14 can be decoupled from the support structure 5 in order to remove the system 1 and use it for placing another wind turbine assembly 10 on another support structure 5 with the vessel 8.
  • the system 1 is set in the first operation mode 17.
  • Figure 4 shows a side view of a third embodiment of the system 1 according to the invention attached to a lifting crane 7 provided on a floating vessel 8.
  • the system 1 is attached to two lifting cranes 7.
  • the figures 5A, 5B - 8A, 8B show a third embodiment of the method according to invention using the system 1 of figure 4.
  • the system 1 functions in a similar manner as the embodiment of the figures 3A-3E.
  • the system 1 differs from the embodiment of the figures 3A-3E in that a guiding assembly 29 is provided.
  • Figure 5A differs from figure 4 in that the vessel 8 and the crane 7 to which the system 1 is attached are not shown. Also the seabed 6 which supports the support structure 5 is not shown. This applies in the same manner to the figures 6A-8A.
  • Figure 5B show an enlarged view of part of figure 5A. This applies in the same manner to the figures 6B-8B.
  • FIG 5A and 5B show a similar situation as figure 3A.
  • the crane 7 is used to position the wind turbine assembly 10 above the support surface 4 of the support structure 5.
  • the complete system 1 moves along with the vertical reciprocal crane movement 22 and the horizontal reciprocal movement 45 of the crane 7.
  • the system 1 comprises a guiding assembly 29 to guide the wind turbine assembly 10, more specifically the mast 2, along a vertical guiding trajectory 30.
  • the guiding assembly 29 is attached to the support structure 5 and can be removed again for further use.
  • the guiding assembly 29 will assist in correct placement of the wind turbine assembly 10 on the support structure 4 by limiting relative horizontal movements between the wind turbine assembly 10 and the support structure 4 caused by horizontal reciprocal crane movement 45 of the crane 7.
  • the guiding trajectory 30 extends upwardly from the support surface 4.
  • a guiding length 33 of the guiding trajectory 30 is larger than the movement length 21 of the vertical reciprocal crane movement 22 of the crane 7, preferably 1 ,1 , more preferably 1.5 times larger than the movement length 21.
  • the guiding length 33 of the guiding trajectory 30 is in general between 1 and 8 meter.
  • the second counter force device 12 is attached to the first coupling assembly 11 and not attached to the wind turbine assembly 10 in order to transfer tensile forces in the second coupling system 1 to the crane 7 via the first coupling assembly 11 and not via the wind turbine assembly 10.
  • the figures 6A and 6B show a similar situation as figure 3B.
  • the wind turbine assembly 10 is positioned at a starting distance 31 above the support surface 4. In the shown situation, the wind turbine assembly 10 is located at the most upper position of its movement induced by the vertical reciprocal crane movement 22 of the crane 7.
  • the system 1 is in the first operation mode 17.
  • the vertical reciprocal crane movement 22 of the crane 7 is compensated by the second reciprocal movement 19 of the wind turbine assembly 10 relative to the support structure 5 via the second counter force device 12.
  • the second counter force device is similar as figure 9.
  • the second counter force device 12 provides a relatively small second counteracting force F2 which is negligible when compared with the first counteracting force F1 of the first counter force device 9.
  • the first reciprocal movement 18 between the crane 7 and the wind turbine assembly 10 via the first counter force device 9 is about 0 meter.
  • the figures 7A and 7B shown a similar situation as figure 3C.
  • the system is set in the second operation 20 mode by increasing the fluid pressure of the hydraulic fluid in the hydraulic cylinders 25.
  • the second counteracting force F2 of the second counter force device 12 is increased such that the vertical reciprocal crane movement 22 of the crane 7 relative to the support structure 5 is compensated by the first reciprocal movement 18 via the first counter force device 9.
  • the second reciprocal movement 19 is about 0 meter. Due to the ratcheting unit 42, the wind turbine assembly 10 will be at the most lower position above the support surface 4 of the support structure 5.
  • the figures 8A and 8B show a similar situation as figure 3D.
  • the pulling device 15 has been used to pull the wind turbine assembly 10 towards and onto the support structure 5. After the pulling device 15 has pulled the wind turbine assembly 10 onto the support surface 4, the pulling device 15 keeps applying its pulling force Fp on the wind turbine assembly 10. This way, the wind turbine assembly 10 is positioned on the support structure 5 in a stable manner. In addition to this, the second counter force device 12 also keeps applying the second counteracting force F2 on the wind turbine assembly 10.
  • FIG 10 shows a side view of a fourth embodiment of the system 1 according to the invention attached to a lifting crane 7 provided on a floating vessel 8.
  • the support surface 4 of the support structure 5 is located above the water surface 23 and the wind turbine 3 is free from blades 13.
  • the figures 11 A and 11 B show side views of a fifth embodiment of the system 1 according to the invention attached to a lifting crane (not shown) provided on a floating vessel (not shown).
  • the wind turbine assembly 10 does not comprise a mast 2.
  • the wind turbine assembly 10 is free from (part of) a mast 2.
  • the second coupling assembly 14 is configured to be coupled to the outside of the support structure 5.
  • the figures 12A and 12B show side views of a sixth embodiment of the system 1 according to the invention attached to a lifting crane (not shown) provided on a floating vessel (not shown).
  • the second coupling assembly 14 is configured to be coupled to the inside of the support structure 5.

Abstract

L'invention concerne un système pour disposer un ensemble turbine éolienne sur une surface de support d'une structure de support supportée sur un fond marin avec une grue de levage disposée sur un navire flottant, lequel système peut passer d'un premier mode de fonctionnement à un second mode de fonctionnement de façon à compenser un mouvement de grue en va-et-vient vertical de la grue par rapport à la structure de support.
PCT/NL2018/050667 2017-10-12 2018-10-10 Système pour disposer un ensemble turbine éolienne sur une structure de support WO2019074364A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL18812340.0T PL3695113T3 (pl) 2017-10-12 2018-10-10 Układ do umieszczania zespołu turbiny wiatrowej na konstrukcji wsporczej
EP18812340.0A EP3695113B1 (fr) 2017-10-12 2018-10-10 Système pour disposer un ensemble turbine éolienne sur une structure de support
US16/755,240 US11572866B2 (en) 2017-10-12 2018-10-10 System for placing a wind turbine assembly on a support structure
KR1020207013500A KR102557130B1 (ko) 2017-10-12 2018-10-10 지지 구조물의 풍력 터빈 조립체를 배치하는 시스템
AU2018348547A AU2018348547A1 (en) 2017-10-12 2018-10-10 System for placing a wind turbine assembly on a support structure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2019718 2017-10-12
NL2019718 2017-10-12

Publications (1)

Publication Number Publication Date
WO2019074364A1 true WO2019074364A1 (fr) 2019-04-18

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PCT/NL2018/050667 WO2019074364A1 (fr) 2017-10-12 2018-10-10 Système pour disposer un ensemble turbine éolienne sur une structure de support

Country Status (6)

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US (1) US11572866B2 (fr)
EP (1) EP3695113B1 (fr)
KR (1) KR102557130B1 (fr)
AU (1) AU2018348547A1 (fr)
PL (1) PL3695113T3 (fr)
WO (1) WO2019074364A1 (fr)

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US20210254601A1 (en) * 2020-02-19 2021-08-19 Siemens Gamesa Renewable Energy A/S System and method for assembling or disassembling of a wind turbine
US11231017B2 (en) * 2019-03-29 2022-01-25 General Electric Company System and method for the service and exchange of a yaw bearing for a machine head of a wind turbine
WO2023143683A1 (fr) * 2022-01-25 2023-08-03 Enabl A/S Système d'installation d'éolienne et procédé d'installation d'une éolienne

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GB2005218A (en) * 1977-10-04 1979-04-19 Simon F A lifting and handling equipment unit, especially for shipside operations
WO2001029366A1 (fr) * 1999-10-19 2001-04-26 Roodenburg, Joop Mecanisme de levage, avec compensateur installe dans un systeme de levage par cable
WO2013113377A1 (fr) * 2012-02-01 2013-08-08 Vsl International Ag Appareil et procédé de levage lourd
EP2896589A1 (fr) * 2014-01-17 2015-07-22 SAL Offshore B.V. Procédé et appareil

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WO2011028102A2 (fr) * 2009-09-04 2011-03-10 Itrec B.V. Installation d'éolienne en mer
GB2479232B (en) * 2010-03-10 2017-04-19 W3G Shipping Ltd Offshore structures and associated apparatus and methods
WO2018041663A1 (fr) * 2016-09-02 2018-03-08 National Oilwell Varco Norway As Procédé de construction d'une éolienne en mer
US11198597B2 (en) * 2017-06-12 2021-12-14 Siemens Gamesa Renewable Energy A/S Sensing arrangement for stabilizing an offshore wind turbine installation arrangement

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Publication number Priority date Publication date Assignee Title
GB2005218A (en) * 1977-10-04 1979-04-19 Simon F A lifting and handling equipment unit, especially for shipside operations
WO2001029366A1 (fr) * 1999-10-19 2001-04-26 Roodenburg, Joop Mecanisme de levage, avec compensateur installe dans un systeme de levage par cable
WO2013113377A1 (fr) * 2012-02-01 2013-08-08 Vsl International Ag Appareil et procédé de levage lourd
EP2896589A1 (fr) * 2014-01-17 2015-07-22 SAL Offshore B.V. Procédé et appareil

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11231017B2 (en) * 2019-03-29 2022-01-25 General Electric Company System and method for the service and exchange of a yaw bearing for a machine head of a wind turbine
US20210254601A1 (en) * 2020-02-19 2021-08-19 Siemens Gamesa Renewable Energy A/S System and method for assembling or disassembling of a wind turbine
CN113279915A (zh) * 2020-02-19 2021-08-20 西门子歌美飒可再生能源公司 用于组装或拆卸风力涡轮机的系统和方法
EP3869034A1 (fr) * 2020-02-19 2021-08-25 Siemens Gamesa Renewable Energy A/S Système et procédé de montage et de démontage d'une éolienne
WO2023143683A1 (fr) * 2022-01-25 2023-08-03 Enabl A/S Système d'installation d'éolienne et procédé d'installation d'une éolienne

Also Published As

Publication number Publication date
EP3695113A1 (fr) 2020-08-19
US20200240395A1 (en) 2020-07-30
KR102557130B1 (ko) 2023-07-18
US11572866B2 (en) 2023-02-07
AU2018348547A1 (en) 2020-04-30
PL3695113T3 (pl) 2022-08-29
KR20200094135A (ko) 2020-08-06
EP3695113B1 (fr) 2022-04-13

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